No. 7 of 7
Air purifiers for large rooms (2026)
Coway states 3,285 sq ft at one air change an hour for the Airmega 450, which is 684 sq ft at 4.8, the largest room size in our catalogue, with a smoke CADR of 439.
See it on the list ›Coway Airmega 450
Coway states 3,285 sq ft at one air change an hour for the Airmega 450, which is 684 sq ft at 4.8, the largest room size in our catalogue, with a smoke CADR of 439.
684 sq ftRoom size, maker's rating
23.6 dBNoise on the lowest setting
What Coway states
- Room size, maker's rating
- 684 sq ft
- HEPA filter name
- HEPA
- Noise on the lowest setting
- 23.6 dB
- Carbon filter
- Yes
- Clean air delivery rate
- 439 CFM
Source: cowaymega.com · checked
On our lists
Meets these needsAir purifiers for 350 sq ft or more
Compare it with similar models
Models that fit the same answers in our finder, closest first.
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✓ stated yes · ? not stated by the maker · bold differs from this one
| Coway Airmega 450This one | Winix C610Winix · C610 | Levoit Eleva 300XLevoit · HEAPAPLVSUS0211Y | Medify MA-50-V3.0Medify · MA-50-V3.0 | |
|---|---|---|---|---|
| Room size, maker's rating | 684 sq ft | 384 sq ft | 250 sq ft | 550 sq ft |
| HEPA filter name | HEPA | True HEPA | HEPA | HEPA |
| Noise on the lowest setting | 23.6 dB | 22 dB | 20 dB | 21.2 dB |
| Phone app control | ? | ✓ | ✓ | ? |
| Carbon filter | ✓ | ✓ | ✓ | ✓ |
| Clean air delivery rate | 439 CFM | ? | 161 CFM | 352 CFM |
| Maker price | ||||
| See more(paid link) | See more(paid link) | See more(paid link) | See more(paid link) |
✓ stated yes · ? not stated by the maker
Winix C610
Winix · C610
- Room size, maker's rating384 sq ftthis: 684 sq ft
- HEPA filter nameTrue HEPAthis: HEPA
- Noise on the lowest setting22 dBthis: 23.6 dB
- Phone app control✓this: ?
- Clean air delivery rate?this: 439 CFM
Same as this one: carbon filter.
Levoit Eleva 300X
Levoit · HEAPAPLVSUS0211Y
- Room size, maker's rating250 sq ftthis: 684 sq ft
- Noise on the lowest setting20 dBthis: 23.6 dB
- Phone app control✓this: ?
- Clean air delivery rate161 CFMthis: 439 CFM
Same as this one: hepa filter name, carbon filter.
Medify MA-50-V3.0
Medify · MA-50-V3.0
- Room size, maker's rating550 sq ftthis: 684 sq ft
- Noise on the lowest setting21.2 dBthis: 23.6 dB
- Clean air delivery rate352 CFMthis: 439 CFM
Same as this one: hepa filter name, phone app control, carbon filter.
Your likely answers
- Up to 150 sq ft
- True HEPA or HEPA
- Under 25 dB
- Yes, a carbon filter
Coway Airmega 450
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See more(paid link)